gistfile1.txt

fsNode_t *memfs_init(uint32 location)
{
	// Initialise the main and file header pointers and populate the root directory.
	memfsHeader = (memfsHeader_t *)location;
	memfsHeaders = (memfsFileHeader_t *) (location+sizeof(memfsHeader_t));

	// Initialise the root directory.
	rootNode = (fsNode_t*)kmalloc(sizeof(fsNode_t));
	strcpy(rootNode->name, "initrd");
	rootNode->mask = rootNode->uid = rootNode->gid = rootNode->inode = rootNode->length = 0;
	rootNode->flags = FS_DIRECTORY;
	rootNode->read = 0;
	rootNode->write = 0;
	rootNode->open = 0;
	rootNode->close = 0;
	rootNode->readdir = &memfs_readdir;
	rootNode->finddir = &memfs_finddir;
	rootNode->ptr = 0;
	rootNode->impl = 0;

	// Initialise the /dev directory [yes, we need one. required.]
	devNode = (fsNode_t*)kmalloc(sizeof(fsNode_t));
	strcpy(devNode->name, "dev");
	devNode->mask = devNode->uid = devNode->gid = devNode->inode = devNode->length = 0;
	devNode->flags = FS_DIRECTORY;
	devNode->read = 0;
	devNode->write = 0;
	devNode->open = 0;
	devNode->close = 0;
	devNode->readdir = &memfs_readdir;
	devNode->finddir = &memfs_finddir;
	devNode->ptr = 0;
	devNode->impl = 0;

	rootNodes = (fsNode_t*)kmalloc(sizeof(fsNode_t) * memfsHeader->fileCount); //Allocate space for files
	rootNodeCount = memfsHeader->fileCount;

	// Make all the shiny files
	int i;
	for (i = 0; i < memfsHeader->fileCount; i++)
	{
		// Edit the file's header - currently it holds the file offset
		// relative to the start of the ramdisk. We want it relative to the start
		// of memory.
		memfsHeaders[i].offset += location;
		// Create a new file node.
		/*strcpy(rootNodes[i].name, memfsHeaders[i].name);
		rootNodes[i].mask = rootNodes[i].uid = rootNodes[i].gid = 0;
		rootNodes[i].length = memfsHeaders[i].length;
		rootNodes[i].inode = i;*
		rootNodes[i].flags = FS_FILE;
		rootNodes[i].read = &memfs_read;
		rootNodes[i].write = 0;
		rootNodes[i].readdir = 0;
		rootNodes[i].finddir = 0;*/
		rootNodes[i].open = 0;
		rootNodes[i].close = 0;
		rootNodes[i].impl = 0;
	}
	return rootNode;
}